{"slug":"cronos-zkevm-rpc","title":"Cronos zkEVM RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Cronos zkEVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":159.975,"leader":{"name":"Cronos (Crypto.com)","slug":"cronos-zkevm-official","value":159.975},"rankings":[{"name":"Cronos (Crypto.com)","slug":"cronos-zkevm-official","ms":{"p50":159.975,"p90":178.821,"p99":612.265,"mean":175.394},"successRate":100,"sampleSize":4318.77},{"name":"dRPC","slug":"drpc","ms":{"p50":295.874,"p90":478.126,"p99":691.627,"mean":329.856},"successRate":99.0026,"sampleSize":4311.77}],"sparkline":[157.312,159.783,161.39,161.509,160.516,160.168,159.609,160.289,161.004,161.479,160.476,161.055,166.139,166.82,165.919,160.88,161.45,163.256,164.508,164.62,164.002,163.903,163.044,164.064,164.866,166.424,165.65,166.047,167.932,174.933,175.707,182.91,176.58,182.254,171.794,174.979,174.417,189.888,189.077,198.229,183.019,182.982,170.618,183.222,189.177,214.901,239.444,232.47,202.946,187.179,185.304,191.445,177.919,196.362,200.769,198.563,186.398,174.427,167.982,185.283,185.642,185.168,174.157,174.058,173.494,159.651,160.617,164.242,163.789,163.914,166.944,170.947,170.633],"sampleSize":8630.54,"asOf":"2026-09-23T03:39:03.712Z","freshness":{"asOf":"2026-09-23T03:39:03.712Z","ageHours":0,"stale":false},"measured":2,"headline":"Cronos (Crypto.com) has the lowest median latency of the 2 free public Cronos zkEVM RPC endpoints measured, 160 ms (p50, 24h, 3 regions).","quote":"Cronos (Crypto.com) has the lowest median latency of the 2 free public Cronos zkEVM RPC endpoints measured, 160 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/cronos-zkevm-rpc).","cite":{"plain":"OpenChainBench. \"Cronos zkEVM RPC endpoints: free public URLs by latency\". Retrieved 2026-09-23. https://openchainbench.com/benchmarks/cronos-zkevm-rpc","bibtex":"@misc{ocb_cronos_zkevm_rpc,\n  author = {OpenChainBench},\n  title  = {Cronos zkEVM RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/cronos-zkevm-rpc},\n  note   = {Retrieved 2026-09-23}\n}","apa":"OpenChainBench. (2026). Cronos zkEVM RPC endpoints: free public URLs by latency. Retrieved September 23, 2026, from https://openchainbench.com/benchmarks/cronos-zkevm-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Cronos zkEVM RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/cronos-zkevm-rpc\r\nY2  - 2026-09-23\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/cronos-zkevm-rpc","ogImage":"https://openchainbench.com/api/og/cronos-zkevm-rpc","source":"https://github.com/ChainBench/OpenChainBench/tree/main/harnesses/rpc-capabilities","methodology":["Cadence: every 60 seconds per provider, from each of 3 probe regions (us-east Virginia, eu-west Amsterdam, sgp Singapore). Headline p50/p90/p99 aggregate across all 3 regions via Prometheus `avg(quantile_over_time(...))`; per-region breakdowns are first-class on this page via the region tabs.","Payload: `{\"jsonrpc\":\"2.0\",\"id\":<rotating>,\"method\":\"eth_getBlockByNumber\",\"params\":[\"latest\",false]}`. Plain HTTP POST, identical for every endpoint, no API key in any request.","Latency measurement, call-result classification (`ok`, `http_err`, `jsonrpc_err`, `stale`, `timeout`) and the archive-depth audit follow the cluster method documented on [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities#methodology); this page is the Cronos zkEVM-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"cronos-zkevm\"`. Provider coverage today: 2 no-key endpoints."],"license":"CC-BY-4.0"}